2543 (cn 12543) Mi-4 Hound from former 11. vrlt. (11th helicopter squadron) operated in years 1974-84 at airfield Plzen-Bory. In August 1984 had to force landed after engine failure and was preserved. Presently is to see in Air Park Zruc in original very worn camouflage, old more then 30 years and equipped with four rocket-launcher RM-130-4 for sixteen rockets JRRO-130 mm.